Leonore von Berg had smaller appearances in front of the camera already as a three-year-old. She played her first bigger role in the TV movie "Ferien vom Leben" (2017), as the deceased daughter and granddaughter of the main characters (portrayed by Marie Bäumer and Hannelore Elsner). From 2017 she played a recurring supporting role in the comedy series "jerks." as the daughter of Christian Ulmen's character. Under the direction of Josef Rusnak she was seen in the episode film "Berlin, I Love You" (DE/GB 2019). Leonore von Berg played her first leading role in Sven Unterwaldt's feature film "Vier zauberhafte Schwestern" (DE/AT/IT 2019), based on the British children's and youth book series "Sprite Sisters". In it she embodied the sister Sky, who can master the element air.